Solve the polynomial equation graphically or numerically. Round to the nearest hundredth if necessary.6x3 + 25x2 + 12x - 7 = 0
A. - 1, - 
, 
B. - 1, 
, 
C. - 
, - 
, 
D. 
, 
, - 
Answer: A
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Find the area or volume.Find the area of the region bounded by the curve y = 5x-2, the x-axis, and on the left by x = 1.
A. 
B. 5
C. 10
D. 25
State the dimensions of the matrix.
A. 9 B. -5 C. 3 × 3 D. -5 × -5
The function f is one-to-one. Find its inverse.f(x) = 7x2 - 7, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = 
D. f-1(x) = 
Solve.A standard train ticket in a certain city costs 
per ride. People who use the train also have the option of purchasing a frequent rider pass for 
each month. With the pass, a ticket costs only
per ride. Use an inequality to determine the number of train rides in a month for which purchasing the monthly pass is more economical than purchasing the standard train ticket.
A. 22 or more times B. 25 or more times C. 24 or more times D. 23 or more times